20710904

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 19387336

約数列:

[1, 2, 4, 8, 41, 82, 164, 233, 271, 328, 466, 542, 932, 1084, 1864, 2168, 9553, 11111, 19106, 22222, 38212, 44444, 63143, 76424, 88888, 126286, 252572, 505144, 2588863, 5177726, 10355452, 20710904]

約数ペア:

[(1, 20710904), (2, 10355452), (4, 5177726), (8, 2588863), (41, 505144), (82, 252572), (164, 126286), (233, 88888), (271, 76424), (328, 63143), (466, 44444), (542, 38212), (932, 22222), (1084, 19106), (1864, 11111), (2168, 9553)]